/Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponents/Public/Drawing/PreviewGeometryActor.h
Point Set Utilities Find the identified point set and call UpdateFuncType(UPointSetComponent*)
template<typename UpdateFuncType> void UpdatePointSet ( const [FString](API\Runtime\Core\Containers\FString) & PointSetIdentifier, UpdateFuncType UpdateFunc )